Bloomberg: Carbon dioxide emissions will slip to the lowest since 1994 as U.S. utilities shift away from coal in favor of solar, wind and natural gas. The power grid will add a record amount of solar energy as coal plants idle in response to cheap gas and tighter environmental regulations, according to a report from Bloomberg New Energy Finance released Thursday. As a result of the shift, emissions blamed for global warming from power generation will fall 15 percent below 2005 levels. Developers will install...